When a minister gives a sermon, this is an example of a homily.
When someone gives a long and dull lecture about morality, this is an example of a homily.
Origin of homily
- Middle English omelie from Old French from Late Latin homīlia from Greek homīliā discourse from homīlos crowd sem-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- Middle English omelye, from Old French omelie, from Ecclesiastical Latin homilia, from Ancient Greek ὁμιλία (homilia, “conversation; sermon”).